CN209980304U - Constant temperature and humidity container system based on ZigBee communication - Google Patents
Constant temperature and humidity container system based on ZigBee communication Download PDFInfo
- Publication number
- CN209980304U CN209980304U CN201920932367.5U CN201920932367U CN209980304U CN 209980304 U CN209980304 U CN 209980304U CN 201920932367 U CN201920932367 U CN 201920932367U CN 209980304 U CN209980304 U CN 209980304U
- Authority
- CN
- China
- Prior art keywords
- temperature
- humidity
- module
- zigbee
- constant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The utility model provides a constant temperature and humidity container system based on ZigBee communication, which comprises a RFID module, a temperature and humidity information acquisition module, a temperature and humidity control module, a ZigBee module and an upper computer; the ZigBee module comprises 3 terminal nodes and a coordinator node, the number of the terminal nodes is 3, the 3 terminal nodes are respectively connected with the output end of the RFID module, the output end of the temperature and humidity information acquisition module and the input end of the control device, and the 3 terminal nodes are all in wireless connection with the coordinator node; the coordinator node is in wireless connection with the upper computer. The utility model discloses based on the technical scheme that zigBee and RFID combine, can realize that remote information reads and writes in, the reading and writing equipment is simple reliable, and the price is also very cheap. In the container transportation process, wireless communication can be realized in the coverage blind area of the existing mobile network.
Description
Technical Field
The utility model relates to a packing cupboard transportation communication field especially relates to a constant temperature and humidity packing cupboard system based on zigBee communication.
Background
When the logistics company transports, large goods are put into the containers and put into the transport vehicle for transportation, and some containers are kept in a constant temperature and constant humidity environment during the transportation process, so that the containers cannot be frequently and randomly opened. In addition, in the logistics transportation process, the goods need to be tracked in real time, but the current common GPS network cannot timely feed back the logistics position and the logistics situation in places where mobile signals cannot cover in open fields or tunnels and other areas.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the constant packing cupboard system of humiture based on zigBee communication that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a ZigBee communication based constant temperature and humidity container system comprises an RFID module, a temperature and humidity information acquisition module, a temperature and humidity control module, a ZigBee module and an upper computer;
the RFID module comprises an RFID electronic tag and an RFID card reader, the RFID electronic tag is installed on the shelf, and the RFID card reader is used for identifying the content of the RFID electronic tag;
the temperature and humidity information acquisition module comprises a temperature and humidity sensor and a signal processing circuit, the temperature and humidity sensor is mounted on the container and used for detecting temperature and humidity information in the container, and the temperature and humidity sensor is connected with the input end of the signal processing circuit;
the temperature and humidity control module comprises a temperature and humidity adjusting element and a control device, the temperature and humidity adjusting element is installed in the container, the input end of the control device is connected with the ZigBee module, and the output end of the control device is connected with the temperature and humidity adjusting element;
the ZigBee module comprises 3 terminal nodes and a coordinator node, the number of the terminal nodes is 3, the 3 terminal nodes are respectively connected with the output end of the RFID card reader, the output end of the signal processing circuit and the input end of the control device, and the 3 terminal nodes are all in wireless connection with the coordinator node; the coordinator node is in wireless connection with the upper computer.
Preferably, a thick aluminum plate of 5 millimeters is arranged between every two adjacent 2 RFID electronic tags for signal isolation.
Preferably, the number of the temperature and humidity sensors is at least 2, and the temperature and humidity sensors are distributed on four walls on the inner side of the container.
Preferably, the signal processing circuit includes an amplifying circuit, a filtering circuit, and an analog-to-digital conversion circuit.
Preferably, the control device is a temperature and humidity control device based on a single chip microcomputer.
Preferably, the upper computer and the coordinator node are in serial port connection by adopting an RS232 or RS485 protocol.
Preferably, the ZigBee module includes a node power supply module, and the node power supply module is a DC/DC power conversion chip.
Preferably, the node power supply module may be 3.3V or 5V.
Preferably, the power supply mode of the node power supply module is dry battery power supply or USB power supply, and the node power supply module includes a lithium battery interface.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a pair of goods shelves system of humiture invariant based on zigBee communication adopts the zigBee module to carry out wireless communication, in the goods shelves transportation, can realize wireless communication at the coverage blind area of current mobile network, and equipment cost is low, data transmission's reliability is high, and equipment is small, can realize battery powered, removes and convenient to carry. The RFID electronic tag is adopted to record the information of the goods in the container, an additional power supply is not needed, and the identification and the information transmission are convenient and fast.
Drawings
FIG. 1 is a schematic structural diagram of a constant temperature and humidity container system based on ZigBee communication.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Please combine and refer to fig. 1, the utility model provides a constant container system of humiture based on zigBee communication, including RFID module 1, humiture information acquisition module 2, temperature and humidity control module 3, zigBee module 4 and host computer 5.
The RFID module 1 includes an RFID electronic tag 11 and an RFID reader 12, wherein the RFID electronic tag 11 is mounted on the cargo container, and the RFID reader 12 is used for identifying the content of the RFID electronic tag 11. The RFID, i.e. the radio frequency technology, is a non-contact identification technology, each RFID electronic tag 11 has a unique electronic code for recording the related information of the container, such as the size of the container, the position of the container, the contents of the goods in the container, the weight of the container, etc., the RFID electronic tag 11 is composed of a coupling element and a chip, and can be an active or passive electronic tag; the passive electronic tag is powered by direct current after the scanning signal of the RFID reader 12 is detected. An RFID reader 12 is placed close to the RFID tag 11 for reading the content in the RFID tag 11. The RFID card reader 12 comprises an antenna, the RFID card reader 12 transmits the content read from the RFID electronic tag 11 to the ZigBee module 4 through the antenna, and the signal is transmitted to the upper computer through the ZigBee wireless communication mode. At present, the RFID module 1, including the RFID electronic tag 11 and the RFID card reader 12 matched with the RFID electronic tag, are available electronic technologies that can be purchased and used directly, and only the information related to the environment and goods in the container needs to be input into the electronic tag.
In one embodiment, a thick aluminum plate of 5 mm is disposed between two adjacent RFID tags 11 for signal isolation. When transporting and putting the container, in order to save space and transport vehicle, can put the transportation with two containers together, the RFID electronic tags 11 on two containers are very close this time, sets up a 5 millimeter thick aluminum plate in the middle of them, can carry out signal isolation for the information that RFID card reader 12 read is more accurate, can reduce the mutual interference between the electronic tags.
Temperature and humidity information acquisition module 2 includes temperature and humidity sensor 21 and signal processing circuit 22, and temperature and humidity sensor 21 installs on the packing cupboard and is used for detecting the temperature and humidity information in the packing cupboard, and temperature and humidity sensor 21 is connected with signal processing circuit 22's input. The temperature and humidity sensor 21 can collect temperature and humidity information in the container and output the temperature and humidity information as analog signals, the analog signals are processed by the signal processing circuit, converted into digital signals and transmitted to the ZigBee module 4, and the signals are transmitted to the upper computer for calculation and processing in a ZigBee wireless communication mode.
Preferably, the number of temperature and humidity sensors 21 is at least 2, and a plurality of temperature and humidity sensors 31 are distributed on the four walls of the inner side of the container, so that the temperature and humidity information in the container can be acquired in all directions, and more accurate cargo environment data can be obtained.
Preferably, the signal processing circuit 22 includes an amplifying circuit, a filtering circuit, and an analog-to-digital conversion circuit. Because the temperature and humidity signals detected by the sensor are generally converted into analog signals, the signals transmitted by the ZigBee module 4 and received by the upper computer 5 are digital signals, and the temperature and humidity sensor 21 is generally connected with a signal processing circuit 22 when in use, so that the analog signals output by the sensor are further processed. The amplifying circuit amplifies the analog signals without distortion, the filtering circuit removes burrs in the analog signals as far as possible, so that the waveforms of the analog signals are smoother, the analog-to-digital conversion circuit converts the filtered smooth analog signals into digital signals, and the communication transmission of the ZigBee module 4 and the calculation and processing of the upper computer 5 are facilitated.
The temperature and humidity control module 3 comprises a temperature and humidity adjusting element 31 and a control device 32, the temperature and humidity adjusting element 31 is installed in the container, the input end of the control device 32 is connected with the ZigBee module 4, and the output end of the control device 32 is connected with the temperature and humidity adjusting element 31. The temperature and humidity adjusting element 31 can be a container with a controllable switch filled with dry ice, so that the control device 32 can be a resistor or other temperature-variable elements and related circuits on the container, and the control device 32 can control whether the dry ice sublimates or not by controlling the resistor or other temperature-variable elements so as to control the temperature and humidity in the container; the temperature and humidity adjusting element 31 can also be a fan or other elements, the control device 32 comprises a control circuit of the temperature and humidity adjusting element 31, the temperature and humidity adjusting element 31 is controlled, for example, a switch of the fan is switched on and off, the control device 32 further comprises a receiving circuit, namely, a signal of the upper computer 5 is transmitted through the ZigBee module 4 and then received by the receiving circuit, the received digital signal is calculated and processed by a preset program in the control device 32 and is transmitted to the control circuit of the temperature and humidity adjusting element 31 to complete control action, and the temperature and humidity adjusting element 31 is controlled to adjust the temperature and humidity in the container.
Preferably, the control device 32 is a temperature and humidity control device based on a single chip, a target temperature and humidity to be maintained in the container, a processing procedure when the target temperature and humidity are higher than the target temperature and a processing procedure when the target temperature and humidity are lower than the target temperature are preset in the single chip, and an output pin of the single chip is connected with a control circuit of a temperature and humidity adjusting element.
The temperature and humidity information acquisition module 2 and the temperature and humidity control module 3 can both adopt the existing technical modules, the temperature and humidity information acquisition module 2 can adopt temperature and humidity sensing information acquisition modules of DCM-8013T, SHT11, SZ06 and the like, are powered by direct current, have RS232 or RS485 interfaces, and can be conveniently connected with the ZigBee module 4; the temperature and humidity control module 3 can adopt XH-M452 type temperature and humidity digital control modules for digital control, and can realize constant temperature and constant humidity environment maintenance in a larger temperature range by direct current power supply.
The ZigBee module 4 comprises 3 terminal nodes 41 and a coordinator node 42, the number of the terminal nodes 41 is 3, the 3 terminal nodes are respectively connected with the output end of the RFID card reader 12, the output end of the signal processing circuit 22 and the input end of the control device 32, and the 3 terminal nodes 41 are all wirelessly connected with the coordinator node 42; the coordinator node 42 is wirelessly connected with the upper computer 5, and the ZigBee module 4 can have a star-shaped, mesh-shaped or tree-shaped topology. In the logistics network that a plurality of packing cabinets are constituteed, zigBee wireless communication network can be netted topological structure, and its characteristics are: the system adopts multi-hop routing communication; the network capacity is large; the device can span a large physical space, is suitable for a structure with a long distance and dispersion, and can realize long-distance communication transmission. The ZigBee wireless communication technology can realize wireless communication in the coverage blind area of the existing mobile network, and in the aspect of cargo tracking, when the container is conveyed to a place without mobile signals, the GPS signals can not smoothly provide cargo information for logistics companies, and at the moment, the ZigBee wireless communication technology can be used for well solving the problems.
Preferably, the upper computer 5 and the coordinator node 42 are connected by a serial port using RS232 or RS485 protocol.
In one embodiment, the ZigBee module 4 includes a node power supply module, and the node power supply module is a DC/DC power conversion chip. Preferably, the node power supply module may be 3.3V or 5V. Preferably, the power supply mode of the node power supply module is dry battery power supply or USB power supply, and the node power supply module comprises a lithium battery interface.
The digitization of logistics management mainly comprises the management electronization of the internal information of the container, including filing and transportation, and also comprises the informatization of the position of the container in the transportation process. The utility model discloses a technical scheme that RFID electronic tags and zigBee wireless communication combined together, RFID electronic tags compares in bar code label or two-dimensional code label, and its advantage is being electromagnetic scanning, can be by sheltering from in the middle of RFID electronic tags and the RFID card reader. But because the reading distance of the RFID module itself is very limited, and in addition, the RFID reader must be connected to a database, the flexibility is poor. Based on the technical scheme of combining ZigBee and RFID, the device can realize remote information reading and writing, is simple and reliable in read-write equipment, and is very low in price. The scanned signals are transmitted to a gateway node of a working site through the ZigBee module after being processed, and network management data are transmitted to a remote server of a logistics center in a wired mode, so that information interaction between personnel in the working site and the server of the logistics center is realized.
From above, the utility model provides a pair of invariable packing cupboard system of humiture based on zigBee communication adopts the zigBee module to carry out wireless communication, in the packing cupboard transportation, can realize wireless communication at the coverage blind area of current mobile network, and equipment cost is low, data transmission's reliability is high, and equipment is small, can realize battery powered, removes and convenient to carry. The RFID electronic tag is adopted to record the information of the goods in the container, an additional power supply is not needed, and the identification and the information transmission are convenient and fast.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (9)
1. A temperature and humidity constant container system based on ZigBee communication is characterized by comprising an RFID module, a temperature and humidity information acquisition module, a temperature and humidity control module, a ZigBee module and an upper computer;
the RFID module comprises an RFID electronic tag and an RFID card reader, the RFID electronic tag is installed on the cargo container, and the RFID card reader is used for identifying the content of the RFID electronic tag;
the temperature and humidity information acquisition module comprises a temperature and humidity sensor and a signal processing circuit, the temperature and humidity sensor is mounted on the container and used for detecting temperature and humidity information in the container, and the temperature and humidity sensor is connected with the input end of the signal processing circuit;
the temperature and humidity control module comprises a temperature and humidity adjusting element and a control device, the temperature and humidity adjusting element is installed in the container, the input end of the control device is connected with the ZigBee module, and the output end of the control device is connected with the temperature and humidity adjusting element;
the ZigBee module comprises 3 terminal nodes and a coordinator node, the number of the terminal nodes is 3, the 3 terminal nodes are respectively connected with the output end of the RFID card reader, the output end of the signal processing circuit and the input end of the control device, and the 3 terminal nodes are all in wireless connection with the coordinator node; the coordinator node is in wireless connection with the upper computer.
2. The constant-temperature and constant-humidity container system based on ZigBee communication according to claim 1, wherein a thick aluminum plate of 5 mm is arranged between every two adjacent 2 RFID electronic tags for signal isolation.
3. The ZigBee communication based constant temperature and humidity container system as claimed in claim 1, wherein the number of the temperature and humidity sensors is at least 2, and a plurality of the temperature and humidity sensors are distributed on four walls of the inside of the container.
4. The constant-temperature and constant-humidity container system based on ZigBee communication according to claim 1, wherein the signal processing circuit comprises an amplifying circuit, a filtering circuit and an analog-to-digital conversion circuit.
5. The constant temperature and humidity container system based on ZigBee communication as claimed in claim 1, wherein the control device is a temperature and humidity control device based on a single chip microcomputer.
6. The ZigBee communication based constant temperature and humidity container system as claimed in claim 1, wherein the upper computer and the coordinator node are connected via a serial port by using RS232 or RS485 protocol.
7. The constant temperature and humidity container system based on ZigBee communication of claim 1, wherein the ZigBee module comprises a node power supply module, and the node power supply module is a DC/DC power conversion chip.
8. The constant temperature and humidity container system based on ZigBee communication as claimed in claim 7, wherein the node power module can be 3.3V or 5V.
9. The constant-temperature and constant-humidity container system based on ZigBee communication according to claim 7, wherein the power supply mode of the node power module is dry battery power supply or USB power supply, and the node power module comprises a lithium battery interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932367.5U CN209980304U (en) | 2019-06-20 | 2019-06-20 | Constant temperature and humidity container system based on ZigBee communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932367.5U CN209980304U (en) | 2019-06-20 | 2019-06-20 | Constant temperature and humidity container system based on ZigBee communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209980304U true CN209980304U (en) | 2020-01-21 |
Family
ID=69266455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920932367.5U Expired - Fee Related CN209980304U (en) | 2019-06-20 | 2019-06-20 | Constant temperature and humidity container system based on ZigBee communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209980304U (en) |
-
2019
- 2019-06-20 CN CN201920932367.5U patent/CN209980304U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7606530B1 (en) | RFID system for allowing access to remotely positioned RFID tags | |
| CN101334848B (en) | Cold chain monitoring system and refrigeration equipment | |
| US20070262849A1 (en) | Active/Passive Coupled Radio Frequency Identification (RFID) System | |
| CN101145192B (en) | Smart radio-frequency identification infrastructure and method | |
| CN106651261A (en) | Warehouse storage yard guiding label visualization system | |
| CN104574012A (en) | Logistics storage monitoring system based on UHF intelligent sensor tag | |
| US20120229258A1 (en) | Proximity detection apparatus and method and asset management apparatus | |
| CN102663572A (en) | Dangerous goods monitoring method based on radio frequency identification | |
| CN108460551A (en) | A kind of intelligent repository management solution based on RFID technique | |
| CN201622576U (en) | Wireless RF recognition device | |
| CN206451230U (en) | A kind of bulk storage plant management system based on RFID | |
| US20080079564A1 (en) | Method and system for devices to communicate wirelessly using RFID air protocols | |
| CN105096084A (en) | Multifunctional intelligent warehouse management system based on traceable modules | |
| CN201019272Y (en) | Intelligent bookshelf | |
| CN201084278Y (en) | A radio-frequency identification device of long-distance location management | |
| Ruan et al. | RFID and ZigBee based manufacturing monitoring system | |
| CN209980304U (en) | Constant temperature and humidity container system based on ZigBee communication | |
| Yang et al. | RFID sensor network network architectures to integrate RFID, sensor and WSN | |
| CN102722738A (en) | Active interactive visual RFID electronic label module | |
| US20160349350A1 (en) | Product and equipment location and automation system and method | |
| CN202433039U (en) | Environmental parameter measuring device based on RFID (radio frequency identification devices) | |
| CN201021980Y (en) | Seafood secure intelligent management system | |
| CN209514661U (en) | A kind of warehouse management system | |
| CN210109891U (en) | Monitoring device and channel monitoring device | |
| CN202711280U (en) | RFID intelligent detection tracking system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 Termination date: 20210620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |